[填空题]
The tires of a car mycnx i 5g*bd45ake 65 revolutions as the car reduces its speed unid(.y evx-:*wnzy mh s ;h u+vfvu(1le3formly from 95km/h to 45km/h The tires have a diameter of 0syv;1 lef+emhyv:(.xu z3-*wh( vnud.80 m. (a) What was the angular acceleration of the tires? $\approx$ $rad/s^2$ (b) If the car continues to decelerate at this rate, how much more time is required for it to stop? s
Post time 2025-2-18 20:00:22
